edited configuration to make content negotiation work for application/x-cmdi+xml

dockerfiles/commul-customization/default-ssl

@@ -63,7 +63,7 @@ server {
   rewrite ^/repository/oai/?$ $oai_index permanent;
 
   # kept 'redirect' to be sure that this keeps working
-  if ($http_accept ~ "(.*xml.cmdi.*)"){
+  if ($http_accept ~ "(.*cmdi.xml.*)"){
     rewrite ^/(.*)/xmlui/handle/(.*)$ https://$http_host/repository/oai/cite?metadataPrefix=cmdi&handle=$2? redirect;
   }